What technological advances lead to the downfall of both medieval African and American civilizations?

Is karma the same as destiny, in the sense that everything that happens to you is predetermined? do you believe that "what goes around comes around," and if so is this the same as karma? does everyone get what they deserve, in the end?

6. why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?

Which is the correct description of a revolution and one of its outcomes